昆明城市建筑物外壁表面热力效应研究——不同季节建筑物外墙壁面表温和近旁气温时空分布特征

文章利用不同季节城市建筑物不同朝向外墙壁面表温和近旁气温的垂直观测资料,分析了外墙壁面表温和近旁气温的立体时空分布特征。得出:城市建筑物外墙壁面表温和近旁气温的立体分布存在显著的季节、朝向、高度和时间差异;温度极值出现的位置、时刻随季节和朝向不同而各异;导致温度日较差呈现显著的变化;而昼、夜平均温度的垂直变化同样呈现较大的季节、朝向和位置的分异性。

Thermal Effects of Building's External Surfaces in Kunming City--Characteristics of external surface temperature and nearby air temperature

Using observation data of building's external surface temperature and nearby air temperature, spatial-temporal distributions of surface temperature and air temperature were studied. Results indicate that external surface temperature and nearby air temperature show the differences that exist in the various orientations, heights and the notable seasonal variations. For these four orientations (north, east, west and south), external surface temperatures and nearby air temperatures both are higher in the daytime than in the nighttime, and smallest at north surface. These four external surfaces differences in surface temperature and air temperature are larger in the daytime, at lower heights, than in the nighttime, at roof height.